Environment nonprofits
Environment nonprofits. Browse 35,718 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Skagit Watershed Council
EIN 911931237 · Headquarters: MOUNT VERNON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skagit-whatcom-island Trail Maintenance Organization Switmo
EIN 453688799 · Headquarters: Sedro Woolley, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skal International Tampa Bay Inc
EIN 237386605 · Headquarters: Seminole, FL, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Skansie Netshed Foundation
EIN 473879490 · Headquarters: Gig Harbor, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ski Club Uganda
EIN 995150106 · Headquarters: NASHVILLE, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ski Tur Valley Maintenance Company
EIN 910840076 · Headquarters: BEND, OR, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Skidaway Audubon Inc
EIN 263588441 · Headquarters: SAVANNAH, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skidaway Farms Inc
EIN 811159945 · Headquarters: SAVANNAH, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skinner Park Advisory Council Nfp
EIN 920351215 · Headquarters: Chicago, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skuta Outdoor Alliance
EIN 882378076 · Headquarters: WATERFORD, MI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skutik River Restoration Trust
EIN 920417576 · Headquarters: Portland, ME, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sky Blue Foundation Inc
EIN 823408215 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sky Island Alliance
EIN 860796748 · Headquarters: TUCSON, AZ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sky River Restoration
EIN 931694460 · Headquarters: Sultan, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sky Solutions
EIN 833585025 · Headquarters: Volcano, HI, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sky Valley Garden Club Inc
EIN 582177474 · Headquarters: Dillard, GA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- SkyHarvest
EIN 874719796 · Headquarters: Sedona, AZ, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skylands Association
EIN 222309024 · Headquarters: Ringwood, NJ, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skylands Clean Inc
EIN 222991638 · Headquarters: Ringwood, NJ, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Skylands Guardian
EIN 333453292 · Headquarters: Ringwood, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyline Garden Club
EIN 352421107 · Headquarters: Anacortes, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skyline Wilderness Park Foundation
EIN 680377962 · Headquarters: Napa, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Skyriver Foundation
EIN 933929455 · Headquarters: KIRKLAND, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skytruth
EIN 542059475 · Headquarters: SHEPHERDSTOWN, WV, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Skyvast Green Initiatve Inc
EIN 990819204 · Headquarters: Acworth, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skyview Acres Land Trust Inc
EIN 455063678 · Headquarters: POMONA, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skyway Park Conservancy Inc
EIN 833197025 · Headquarters: Jersey City, NJ, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slade-betts Foundation for Protection of Wildlife and the Environment
EIN 320617360 · Headquarters: HIGH POINT, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sleeping Bear Forever
EIN 383486616 · Headquarters: Maple City, Michigan, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sleepy Creek Watershed Asso
EIN 550777324 · Headquarters: Berkeley Springs, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sleepy Hollow Conservancy Inc
EIN 813036273 · Headquarters: FT THOMAS, KY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sleevecycle
EIN 414642211 · Headquarters: Apex, NC, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slide Ranch
EIN 237069469 · Headquarters: MUIR BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slight of Harvest8357
EIN 413102653 · Headquarters: CLARKSBURG, TN, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sligo Creek Neighbors for a Sustainable Community
EIN 464502322 · Headquarters: Silver Spring, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slipper Orchid Alliance
EIN 680441901 · Headquarters: Silver Spring, MD, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Slipstream Group Inc
EIN 391356152 · Headquarters: MADISON, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slm Native Bloom Haven
EIN 413684608 · Headquarters: Laurel, MD, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slo Beaver Brigade
EIN 863777569 · Headquarters: ATASCADERO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Slo Climate Coalition
EIN 834120324 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slo Coast Alliance
EIN 770567833 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Slo County Colab Foundation
EIN 863049476 · Headquarters: SAN LUIS OBISPO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- SLO Green Build Inc
EIN 260702906 · Headquarters: San Luis Obispo, CA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Sloan's Lake Park Foundation
EIN 833989461 · Headquarters: DENVER, CO, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sloans Lake Citizens Group
EIN 841230656 · Headquarters: DENVER, CO, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sloughkeepers
EIN 800830389 · Headquarters: Santa Clara, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Slow Down Boulevard Inc
EIN 845038493 · Headquarters: Atlanta, GA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Slpia Inc
EIN 472068983 · Headquarters: Lake Park, IA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sludge Hub & Company
EIN 881358714 · Headquarters: Baltimore, MD, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Slv Confined Aquifer Sustainability Inc
EIN 472541015 · Headquarters: Monte Vista, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Slv Recycles Inc
EIN 841150833 · Headquarters: Alamosa, CO, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sly Brook Adventures
EIN 833348684 · Headquarters: Eagle Lake, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Small Change Conservation Council
EIN 933590034 · Headquarters: Summerville, SC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Small Farm Training Center Inc
EIN 550771032 · Headquarters: Wheeling, WV, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Small Hope Bay Foundation Inc
EIN 852721060 · Headquarters: Fort Lauderdale, FL, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Small Ideas Inc
EIN 833119063 · Headquarters: peabody, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Small Town Project
EIN 842245807 · Headquarters: ROCKY FORD, CO, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Small Waters Education Nfp
EIN 043822081 · Headquarters: Harvard, IL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Small Woodland Owners Association of Maine
EIN 010360072 · Headquarters: Augusta, ME, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smalltown Garden Club
EIN 050539074 · Headquarters: Anderson, IN, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smart Buildings Center
EIN 811970869 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smart Business Forum
EIN 611529210 · Headquarters: WHITEFISH BAY, WI, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Smart Electric Power Alliance
EIN 521794095 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Energy and Water Innovation Center
EIN 475618081 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smart Energy Consumer Collaborative
EIN 272312832 · Headquarters: ATLANTA, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Energy Planet Corporation
EIN 452863959 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smart Green Power Research Foundation Inc
EIN 271338327 · Headquarters: KNOXVILLE, TN, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- Smart Growth America
EIN 270038938 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Growth Newton County Inc
EIN 582623711 · Headquarters: Covington, GA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Smart Living Project Inc
EIN 205949662 · Headquarters: MUNCIE, IN, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- Smart Outdoor Lighting Alliance
EIN 510543644 · Headquarters: Fairfax Station, VA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smart Power Inc
EIN 030375454 · Headquarters: ARLINGTON, VA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smart Surfaces Coalition
EIN 833274838 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smart Yards Education
EIN 821012849 · Headquarters: SAN JOSE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Smart-on-Smart
EIN 841990796 · Headquarters: Takoma Park, MD, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smarter Green
EIN 881112356 · Headquarters: Batavia, OH, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smartgrowthwest
EIN 841771639 · Headquarters: Eugene, OR, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Smartphones4water Incorporated
EIN 472991110 · Headquarters: Chico, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smartroots Global
EIN 465326291 · Headquarters: Cave Creek, AZ, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Sme Foundation
EIN 841175450 · Headquarters: ENGLEWOOD, CO, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Smiling Redemption Center
EIN 421635453 · Headquarters: Sumter, SC, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Smith Baumgartner Grove Inc
EIN 392322039 · Headquarters: Loganville, GA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smith Foundation for Energy Resilience
EIN 934169989 · Headquarters: Conroe, TX, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Smith Gilbert Gardens Foundation Inc
EIN 204526833 · Headquarters: KENNESAW, GA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smith Island Land Trust
EIN 561974072 · Headquarters: BALD HEAD ISLAND, NC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Smith Lake Environmental Preservation Committee
EIN 631150525 · Headquarters: Bremen, AL, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smith Mountain Lake Association Inc
EIN 541119678 · Headquarters: MONETA, VA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Smith Park Young Mens Christian Association of Massachusetts
EIN 274067363 · Headquarters: Southfield, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smith River Alliance Inc
EIN 942650838 · Headquarters: Crescent City, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smith River Habitat Project
EIN 721560376 · Headquarters: Clancy, MT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smith River Watershed Council
EIN 820539434 · Headquarters: Reedsport, OR, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smith Rock Group Project Fund
EIN 931140108 · Headquarters: Redmond, OR, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Smithfield Irrigation Company
EIN 870177285 · Headquarters: SMITHFIELD, UT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Smithgall Woods Foundation Inc
EIN 582209816 · Headquarters: HELEN, GA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Smithtown Hunt Inc
EIN 132899857 · Headquarters: MANORVILLE, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Smogfree Denver
EIN 843265364 · Headquarters: Denver, CO, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smoke Is Cancer
EIN 474210181 · Headquarters: Schwenksville, PA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smoke-free Lowcountry Coalition
EIN 570924025 · Headquarters: SUMMERVILLE, SC, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Smokey Mountain Radiological Society
EIN 561576707 · Headquarters: Asheville, NC, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Smoky Hill River Wildlife Sanctuary Inc
EIN 861303131 · Headquarters: ELLSWORTH, KS, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990